package com.ny.kind;

public class BankPay  implements Pay{
    @Override
    public void pay(double money) {
        double m=100;
        if(m<money){
            System.out.println("你的余额不足");
        }
        else{
            System.out.println("你消费了"+money);
            m=m-money;
            System.out.println("你的余额为"+m);
        }
    }
}
